Free Linux Tutorial - Linux Fundamentals for IT Professionals
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Free Linux Tutorial - Linux Fundamentals for IT Professionals

Free Linux Tutorial - Linux Fundamentals for IT Professionals

Linux Fundamentals for IT Professionals


Linux Commands for day to day usage and basics of Shell Scripting with Case Studies.

- Provision EC2 instance using free tier
- Understanding SSH and Passwordless login in detail
- Managing files and directories in Linux
- Linux Commands for Searching and Copying files
- System Commands and Standard Directories
- Regular Expressions and Editors
- Basics of Scripting and Developing One Liners
- Case Study: Developing Monitoring Script leveraging passwordless login for system admins
- Case Study: Developing script to automate data ingestion using Sqoop for Data Engineers
- Virtualization and Setup Virtual Machines
- Understanding AWS Concepts in Detail

We are glad to announce a course on Linux Fundamentals which every Software Professional should be aware of. Before getting into details, we are not experts in Linux and we are only trying to share our experience of using handful of Linux commands and ability to write simple shell scripts for most common use cases.

If you fall in any of the below categories, then this course is for you

- Computer Science or Information Technology Student
- Testing Professional
- Production Support or Operations
- Software Engineer/Application Developer
- Data Engineer or Big Data Engineer
- Database Administrator
- Any other role except for Systems Administrator

If you are Systems Administrator with extensive experience in managing Linux based systems, then this course might not be for you.

Benefits

It might not make much of difference to your career immediately, but the course will make you

- comfortable while working on day to day tasks
- automate the daily mundane tasks
- hack to get the information from files for debugging the issues

At the end of the course your productivity or learning ability will improve for sure.

Curriculum

We will understand basic concepts, most common commands, basic shell scripting, automating simple use cases, virtualization and more.

Here are the details

Overview of Hardware - Operating Systems and launching AWS EC2 instances
Connecting to servers – detailed session on SSH, users and groups, profile, telnet, ping and firewalls/security groups
Manipulating Files and Managing Directories including basic file permissions and ACLs
Important commands – getting help, list files, search/find for files, copying files between the servers
Manipulating data – Piping output to commands, searching/filtering, transforming, sorting, getting unique values
System commands – Operating System, details about CPU, storage as well as memory, get process details and understand standard directories
Regular Expressions - overview of vi or vim editor
Basics of shell scripting – Scripting tools and developing one liners
Basics of shell scripting – Develop shell script to issue commands on multiple nodes and save output to file
Basics of shell scripting – Develop shell script to validate all the tables passed in a file
Setting up Virtual environment (using Virtualbox and Vagrant)
Understanding AWS in detail

Top Linux Courses Online

Learn Linux from top-rated instructors. Find the best Linux courses for your level and needs, from Linux operating systems for beginners to preparing for the Linux system administration certification exam. Master Linux system administration and the Linux command line, including disk management, network and firewall administration using Bash, and more

All Linux courses

Linux is available in a range of different distributions that are tailored to the needs and skill of their users. Simple distributions, like openSUSE, are great for personal computing, while Linux Ubuntu is ideal for network admins and computer scientists. Nixon features courses that cover them all.

Learn more about Linux

Linux has a somewhat inaccurate reputation as being a much more technical and complex alternative to mainstay operating systems like Windows and MacOS. In reality, Linux is an approachable, open-source, and customizable OS that’s designed to address huge deficiencies in commercial operating systems.

What is Linux and why should I use it?

Linux is an operating system (OS), which is the primary software that a computer uses to execute tasks and communicate directions to its hardware. The operating system that competes the most with Linux is Windows. Linux is a popular and widely-used OS because it is open-source, meaning that it is free to the public, and anyone can modify and customize Linux software as they wish. 

The reasons to use Linux can vary from developing an app or building a video game to learning how to hack computer systems. As Linux is one of the most popular operating systems, many developers use it to develop their web applications and software programs. This means knowledge of Linux is important for anyone working with computers and software in general. Learning how to work with Linux is a necessary skill for anyone pursuing a career in ethical hacking or penetration testing

Why do hackers use Linux?

Both ethical (white hat) hackers and malicious (black hat) hackers often prefer to use the Linux operating system (OS) over Windows OS. The biggest reason hackers turn to Linux is because it is far more accessible to a wider range of people than Windows OS offers. Linux is free, open-source, and provides a well-integrated command-line interface for users to customize the OS. 

This means anyone can modify Linux to create their own programs and software. Malicious hackers often opt for Linux because it gives them more control when using Linux, and ethical hackers need to be well-versed in Linux because it’s so popular among black hat hackers. Ethical hackers also often prefer using Linux as it has better existing security measures than Windows and doesn’t usually require third-party antivirus software.

How long will it take to learn Linux and how can I teach it to myself?

The time it takes to learn Linux can vary, depending on whether you have existing background knowledge of other operating systems and how deep of an understanding you want to gain. For beginners learning Linux to pursue a career in IT or software administration, you may only need a basic understanding of how to navigate and execute functions using Linux and how applications built on Linux behave. 

If you plan to become an ethical hacker, or pentester, you may need a more in-depth knowledge of Linux security procedures and a skill in manipulating Linux programs. You can learn Linux on your own time by seeking out video tutorials and online courses. There are plenty of courses available on Udemy that teach the fundamentals of Linux and more advanced Linux skills.

What careers use Linux?

Many jobs in IT, software development, and cybersecurity rely on Linux skills and expertise. A career in app development generally requires a deep understanding of Linux, as many app developers use Linux as a basis for their applications. Software-focused career paths that frequently use Linux include developer and software engineering roles for Python, Java, and Linux systems. 

Nearly any role in cybersecurity, such as a penetration tester or ethical hacker, requires a strong knowledge of Linux. With Linux expertise and skills, you could work as a system administrator, IT professional, system architect, or database administrator. You may even work in website development, maintenance, or security, as people in those roles build a majority of their web applications on Linux.

What is the core of the Linux operating system?

The core component of any operating system is called the kernel. Linux’s core is simply referred to as the Linux kernel. The Linux kernel is a single program that manages crucial tasks such as allocating memory, communicating software functions to the computer’s CPU, and comprehending all of the input and output from the computer’s hardware. The kernel is the most important part of an OS and often runs in a separate area from the rest of a computer’s software. 

The kernel is just one part of a full operating system, which includes a combination of components such as the bootloader, init system, graphical server, desktop environment, and more. The name "Linux" can refer to both the kernel itself (the Linux kernel) and an operating system built around that kernel. For example, the Android OS and the Ubuntu distribution are both made using the Linux kernel.

What are the best Linux distributions for beginners?

There is a wide range of Linux distributions to choose from when learning and working with Linux. When you are first learning Linux, the distribution you choose to learn may depend on how you plan to apply your Linux skills. If you are pursuing a career in cybersecurity, you may select a different Linux distribution to start with than someone pursuing a career in game development, for instance. 

Online courses are some of the best resources for beginners to Linux, as they will give guidance on which Linux distribution is a good fit for the intended application of Linux. For beginners, a few of the most highly recommended Linux distributions include Elementary OS, Ubuntu Linux, and Ubuntu Budgie. Other distributions that are considered easy to learn and master are Linux Mint, Zorin OS, Nitrux, Kodachi, Rescatux, and Parrot Security.

Requirements

- Basic Computer Skills
- Access to Linux Virtual Machine or Setup Linux locally
- Demos are given using RedHat and hence some of the commands might not work as is

Who this course is for:

- Any data engineer who want to learn Linux commands and scripting for day to day usage
- Any application developer who have to deal with linux to run their applications
- Any production support professional who have to provide L1 or L2 support for applications running on Linux
- Any Computer Science or Information Technology student who want to understand the usage of Linux in real world projects
- Any Cloud or Systems Engineer who have to support or provide environment based on Linux

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Free Linux Tutorial

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